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anyone uses MOC oil additive? any good?

I went in dealership for an inspection II and they added MOC engine oil treatment during the oil change. The foreman claimed it is good for reducing carbon buildup. The oil does still look fresh after 250 miles. Should I leave it alone or ask the dealership to redo the oil change free of charge(as it is not recommended by manufacturer)?

edjack is spot-on. What the MOC does is > >

improve the Service Department's bottom line. The best thing most oil additives can accomplish is to cause no harm. Unless you are dealing with a specific problem such as trying to remove a sludge buildup, the value of any oil additive is questionable at best. If you're using a high-quality synthetic oil, leave the voodoo stuff in the bottle. Of course if you're using a high-quality synthetic oil and changing it at no more than 7,500 mile intervals, you probably won't have any oil-specific problems anyway. Tell the dealer to put that stuff in HIS car if he wants to but not yours.

MOC Oil additive

The dealership first of all should not have added anything to your oil without asking you first. I personally would go back to the dealership and ask them to re-do your oil change at no charge without any MOC oil additive. What happens if you have an engine failure. As you stated BMW does not endorse any adding of MOC oil additive. The shop foreman needs to get another job if he says that adding MOC oil additive to your oil recuces carbon build up. The only thing that MOC oil additive does it to reduce the amount of money in your pocket and increases the amount of money in the dealerships pocket. Go to the MOC website and they are proud of the fact that they increase Dealership profit( From you, the customer)

Originally Posted by jszeto

I went in dealership for an inspection II and they added MOC engine oil treatment during the oil change. The foreman claimed it is good for reducing carbon buildup. The oil does still look fresh after 250 miles. Should I leave it alone or ask the dealership to redo the oil change free of charge(as it is not recommended by manufacturer)?

The dealership first of all should not have added anything to your oil without asking you first. I personally would go back to the dealership and ask them to re-do your oil change at no charge without any MOC oil additive. What happens if you have an engine failure. As you stated BMW does not endorse any adding of MOC oil additive. The shop foreman needs to get another job if he says that adding MOC oil additive to your oil recuces carbon build up. The only thing that MOC oil additive does it to reduce the amount of money in your pocket and increases the amount of money in the dealerships pocket. Go to the MOC website and they are proud of the fact that they increase Dealership profit( From you, the customer)